TW284956B - - Google Patents

Info

Publication number
TW284956B
TW284956B TW082104451A TW82104451A TW284956B TW 284956 B TW284956 B TW 284956B TW 082104451 A TW082104451 A TW 082104451A TW 82104451 A TW82104451 A TW 82104451A TW 284956 B TW284956 B TW 284956B
Authority
TW
Taiwan
Application number
TW082104451A
Other languages
Chinese (zh)
Original Assignee
Murata Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP14593192A external-priority patent/JP3146630B2/ja
Priority claimed from JP14593392A external-priority patent/JP3146632B2/ja
Priority claimed from JP14593292A external-priority patent/JP3146631B2/ja
Application filed by Murata Manufacturing Co filed Critical Murata Manufacturing Co
Application granted granted Critical
Publication of TW284956B publication Critical patent/TW284956B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
TW082104451A 1992-06-05 1993-06-03 TW284956B (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14593192A JP3146630B2 (ja) 1992-06-05 1992-06-05 電話回線電力利用回路
JP14593392A JP3146632B2 (ja) 1992-06-05 1992-06-05 電話回線電力利用回路
JP14593292A JP3146631B2 (ja) 1992-06-05 1992-06-05 電話回線電力利用回路

Publications (1)

Publication Number Publication Date
TW284956B true TW284956B (ja) 1996-09-01

Family

ID=27319073

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082104451A TW284956B (ja) 1992-06-05 1993-06-03

Country Status (3)

Country Link
US (1) US5461671A (ja)
CA (1) CA2097449C (ja)
TW (1) TW284956B (ja)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000513900A (ja) * 1997-04-29 2000-10-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 有線結合の電気通信装置及び給電回路
US6212226B1 (en) * 1997-08-08 2001-04-03 Lucent Technologies, Inc. Supplemental power for battery operated modems
WO1999053627A1 (en) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network
US6480510B1 (en) 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
US6218930B1 (en) * 1999-03-10 2001-04-17 Merlot Communications Apparatus and method for remotely powering access equipment over a 10/100 switched ethernet network
JP2000341181A (ja) * 1999-05-26 2000-12-08 Hitachi Ltd 通信インターフェイス装置
US6956826B1 (en) 1999-07-07 2005-10-18 Serconet Ltd. Local area network for distributing data communication, sensing and control signals
US6690677B1 (en) 1999-07-20 2004-02-10 Serconet Ltd. Network for telephony and data communication
US7256684B1 (en) * 1999-09-27 2007-08-14 Cisco Technology, Inc. Method and apparatus for remote powering of device connected to network
US6549616B1 (en) 2000-03-20 2003-04-15 Serconet Ltd. Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
IL154234A (en) 2003-01-30 2010-12-30 Mosaid Technologies Inc Method and system for providing dc power on local telephone lines
US7027594B2 (en) * 2003-06-30 2006-04-11 Qwest Communications International, Inc. System and method for cooling of network interface device
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
US8050390B2 (en) * 2004-04-13 2011-11-01 Telecom Italia S.P.A. Device and a method for feeding electric devices from a telephone line
US7903809B2 (en) * 2004-11-05 2011-03-08 Cisco Technology, Inc. Power management for serial-powered device connections
US7620846B2 (en) * 2004-10-07 2009-11-17 Cisco Technology, Inc. Redundant power and data over a wired data telecommunications network
US8074084B2 (en) 2004-11-03 2011-12-06 Cisco Technology, Inc. Powered device classification in a wired data telecommunications network
US7457252B2 (en) * 2004-11-03 2008-11-25 Cisco Technology, Inc. Current imbalance compensation for magnetics in a wired data telecommunications network
US7849351B2 (en) * 2004-10-07 2010-12-07 Cisco Technology, Inc. Power and data redundancy in a single wiring closet
US8300666B2 (en) 2004-10-07 2012-10-30 Cisco Technology, Inc. Inline power-based common mode communications in a wired data telecommunications network
US7823026B2 (en) * 2004-10-07 2010-10-26 Cisco Technology, Inc. Automatic system for power and data redundancy in a wired data telecommunications network
US7603570B2 (en) 2004-05-13 2009-10-13 Cisco Technology, Inc. Power delivery over ethernet cables
US7363525B2 (en) * 2004-10-07 2008-04-22 Cisco Technology, Inc. Bidirectional inline power port
US7793137B2 (en) * 2004-10-07 2010-09-07 Cisco Technology, Inc. Redundant power and data in a wired data telecommunincations network
US8259562B2 (en) * 2004-10-07 2012-09-04 Cisco Technology, Inc. Wiring closet redundancy
US7724650B2 (en) * 2004-11-30 2010-05-25 Cisco Technology, Inc. Multi-station physical layer communication over TP cable
KR100742346B1 (ko) * 2005-05-03 2007-07-25 삼성전자주식회사 직류 전원 전환 장치
US8149683B2 (en) * 2005-05-18 2012-04-03 Cisco Technology, Inc. Fail-safe inline power in a wired data telecommunications network
US7664136B2 (en) * 2005-06-02 2010-02-16 Cisco Technology, Inc. Inline power for multiple devices in a wired data telecommunications network
US7373532B2 (en) * 2005-07-27 2008-05-13 Cisco Technology, Inc. Inline power controller
US7565555B2 (en) * 2005-11-23 2009-07-21 Cisco Technology, Inc. Uninterruptible power supply resource sharing for multiple power sourcing equipment network devices
US7921307B2 (en) * 2007-03-27 2011-04-05 Cisco Technology, Inc. Methods and apparatus providing advanced classification for power over Ethernet

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742330A (en) * 1971-09-07 1973-06-26 Delta Electronic Control Corp Current mode d c to a c converters
GB2065418B (en) * 1979-12-06 1984-02-15 Standard Telephones Cables Ltd Telephone line feed
US4429186A (en) * 1982-09-30 1984-01-31 Gte Automatic Electric Inc. Floating battery feed circuit for telephone subscriber line interface
US4454466A (en) * 1982-11-29 1984-06-12 Control Data Corporation Power supply having automatically varied primary turns
US4706281A (en) * 1984-04-30 1987-11-10 American Telephone And Telegraph Company Dynamic impedance element for a battery feed circuit
US4893228A (en) * 1987-09-01 1990-01-09 Hewlett Packard Company High-efficiency programmable power supply
JPH0264261U (ja) * 1988-11-04 1990-05-15
US4961220A (en) * 1988-12-21 1990-10-02 Spectrum Concepts, Inc. Power management in a microprocessor-controlled battery-powered telephone device
JP2686135B2 (ja) * 1989-03-28 1997-12-08 松下電工株式会社 定電流電源回路
FR2651398B1 (fr) * 1989-08-31 1995-08-25 Alcatel Business Systems Agencement d'alimentation pour terminal telephonique et/ou telematique.
KR920003586Y1 (ko) * 1990-04-14 1992-05-30 주식회사 금성사 마그네트론 구동 전원회로
US5289359A (en) * 1991-02-13 1994-02-22 Charles Industries, Limited DC-DC power converter including sensing means for providing an output when the reserve power of the converter falls below a predetermined amount for a given input voltage

Also Published As

Publication number Publication date
CA2097449A1 (en) 1993-12-06
CA2097449C (en) 1998-09-15
US5461671A (en) 1995-10-24

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees